HEMIPTERA OF COLORADO. 
115 
Ret. Iiiley. 
Ret. Riley, 
Aphalara occiclentalis Riley Ms. 
Ouray, June 22d (Gillette). 
Aphalara solidaginis Riley Ms. 
Fort Collins, July 4th (Gillette). 
Aphalara utahensis Riley Ms 
n, 1 ’ Ret. Riley. 
Steamboat Springs, July 12th on Artemisia tridentata 
(Tucker). Fa,ls ’ Colorado Springs, July 
Trioza amelanchieris Riley Ms. 
tt ., ^ Ret. Riiey. 
rlorsetooth Gulch, May 21st (Baker). 
Li via vernalis Fitch. 
m • -t i __ Ret. Riley. 
JlZ"; y u,; Fort CoIli “- J ™ 4tl > ««■«»* 
first and second dlscoidals slender stl°-ma tafobwiipt- 0 ™. " r,th subcostal vein wavy. 
Oblique at base. Hind wings with the discoidal obs^ete tegs shot” • ^ PO " ,t * d »” d 
Fort Collins June 19th, winged and wooly apterous 
individuals on Pseudotsuga douglassi (Cowen). 
Pemphigus fraxinifolii Riley. 
ainei-icam 1111 ^? ^ 1“ tyP * Cal P seud °-galls on Fraxinus 
dmencana. Mostly wingless (Cowen). 
Pemphigus populicaulis Fitch. 
, i2lh ' “ W«1 galls „„ Pc , p » lus 
oniliteia. In several cases Chaitophorus populicola was 
(Zlen) With UliS SPedeS in the P art h °P e » ^ 
Pemphigus populi-conduplifolius Cowen n. sp. 
Winded \i\iparous femalei Length 1 8-2 9 mm ai » 
black, pruinose. The abdomen Is deep green when The t ■“ panse 685 mm - Nearly 
placing the insect in alcohol Antonn-jo i be ^ aucous matter is removed by 
about six or seven anmdatlonfeach ‘ St^ ' l0i * tS slender ’ and sixth with 
constricted neck. Similar to ramnin™™ i “Ti Sh ° rt aUCl broad - Unguis usually with a 
strongly annulated. ‘ 1 3U arger and the antennal joints not nearly so 
abdomen. Eyes blLck!” 8 yellowish ’ Wlth a thlck ma t of wooly secretion enveloping the 
all the decripMons'and collated^tlm records nS The i e 'TT ^ Cowen> who aIso wrote 
mentioned in the Custer County List see Cocklred^undetermined and undescribed species 
where there is a probability of their being identical’ 
